linux-ext4 - Re: fsck.ext4: Group descriptors look bad... trying backup blocks...

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Message-ID: <49E8B7F4.6020608@redhat.com>
Date:	Fri, 17 Apr 2009 12:10:12 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Jeremy Sanders <jss@....cam.ac.uk>
CC:	linux-ext4@...r.kernel.org
Subject: Re: fsck.ext4: Group descriptors look bad... trying backup blocks...

Jeremy Sanders wrote:
> Theodore Tso wrote:

...

>> I see from the dumpe2fs that you sent it had only been in use for a
>> week.  How were you using the filesystem?  Did you try using the
>> online resize feature at any time?
> 
> No. The filesystem was used to store rsync snapshots of other file systems 
> (using the hard link feature). I had only rsynced the initial data and run a 
> couple of rsync backups on to it. The filesystem was created using:
> 
> mkfs.ext4 -m0 -b 4096 -E stride=8,stripe-width=72  /dev/md0

Can you show us exactly how you're using rsync?  is this with
rdiff-backup or some similar tool?

Thanks,
-Eric
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